Home / 25,510.52-38,216.28-20,255.24

Finding the Fourth Proportional to 25,510.52, 38,216.28 and 20,255.24

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Solution

The fourth proportional to 25,510.52, 38,216.28 and 20,255.24 is: 30,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510.52 : 38,216.28 = 20,255.24 : x
  2. Step 2: Convert to fraction form
    25,510.52/38,216.28 = 20,255.24/x
  3. Step 3: Cross multiply
    25,510.52x = 38,216.28 × 20,255.24
  4. Step 4: Simplify right side
    25,510.52x = 774,079,923.31
  5. Step 5: Solve for x
    x = 774,079,923.31/25,510.52
  6. Step 6: Final answer
    x = 30,343.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.